2A533A Vol.2 Part.2 (38-64)

Keeping the iron in a proper holder when not in use is the correct answer because it ensures the safety and longevity of the soldering iron. Placing the iron in a holder prevents it from accidentally falling or causing damage to other objects. It also helps to prevent burns or injuries that may occur if the hot iron is left unattended. By keeping the iron in a proper holder, it remains in a stable and secure position, reducing the risk of accidents and maintaining its functionality for future use.

Cleanliness is of utmost importance in the soldering process because any dirt, dust, or other contaminants on the surfaces being soldered can interfere with the proper bonding of the solder. These contaminants can prevent the solder from adhering to the surfaces or cause weak solder joints. Additionally, cleanliness is important to prevent oxidation of the surfaces, which can also hinder the soldering process. Therefore, ensuring that the surfaces are clean and free from any contaminants is crucial for achieving strong and reliable solder connections.

Prior to performing a wire repair job, it is important to read all procedures in TO 1-1A-14. This ensures that the technician is aware of the correct steps and guidelines to follow during the repair process. By reading the procedures, the technician can avoid any potential mistakes or errors that may occur during the wire repair job. It also helps in understanding the necessary precautions and safety measures that need to be taken while performing the repair. Overall, reading all procedures in TO 1-1A-14 is crucial for a successful and accurate wire repair job.

A coaxial cable is used to carry radio-frequency power from one point to another. It consists of a central conductor surrounded by an insulating layer, a metallic shield, and an outer insulating layer. The shield helps to minimize interference and signal loss, making it suitable for transmitting high-frequency signals such as radio waves. The design of the coaxial cable allows for efficient transmission of power and signals over long distances without significant degradation.

Flux is a substance used in soldering to prevent oxidation of the metal surface being soldered. When metals are exposed to oxygen, they can form oxides which hinder the flow of electricity. By preventing oxygen from combining with the metal, flux ensures that the electrical connection remains clean and conductive. Therefore, the correct answer is "prevent oxygen from combining w/ metal".

To prevent electrostatic discharge (ESD) from damaging sensitive devices, it is necessary to use a grounded workbench. A grounded workbench helps to dissipate any static electricity that may build up on the surface, preventing it from transferring to the devices being worked on. This ensures that the devices remain protected from ESD and reduces the risk of damage. The other options mentioned, a grounded line replace unit cable and non-conductive antistatic mats, may also be used in ESD-safe environments, but they do not directly address the need for a grounded workbench.

The heat and air pressure required for proper installation of heat-shrink products is controlled by the tool operator. This means that it is the responsibility of the person operating the tool to adjust and regulate the heat and air pressure levels according to the specific requirements of the installation process. The tool operator must have the necessary knowledge and skills to ensure that the heat-shrink products are installed correctly and effectively.

A photodiode is used to convert fiber optic light transmissions to electrical signals. A photodiode is a semiconductor device that generates a current when exposed to light. In the context of fiber optic communication, a photodiode is used at the receiving end to detect the light signals transmitted through the fiber optic cable and convert them into electrical signals that can be further processed and utilized.

Utilizing exact dimensions for stripping wire ensures a proper connection. When the wire is stripped to the correct dimensions, it allows the connectors to mate properly, ensuring a secure and reliable connection. Additionally, when the wire is stripped correctly, the solder adheres properly, further enhancing the connection. Overall, using precise dimensions for stripping wire is crucial for achieving a proper connection, ensuring optimal performance and functionality.

A terminal lug is a type of solderless connector that is used to allow easy and efficient connections to electrical equipment. It is designed to securely connect wires to terminals or studs, providing a reliable electrical connection. Terminal lugs are commonly used in various applications, such as automotive, industrial, and electrical systems, where a strong and durable connection is required.

If an electromagnetic pulse hardened cable has broken internal wires, it is considered nonreparable by local personnel. This is because the internal wires are crucial for the proper functioning of the cable. If they are broken, it can significantly affect the transmission of signals and data through the cable. Repairing or replacing the internal wires is a complex and specialized task that requires specific expertise and equipment. Therefore, local personnel would not be able to repair the cable if it has damage to the internal wires.

Using protective tote boxes is not a flight line precaution used to protect electrostatic discharge sensitive components. Protective tote boxes are typically used to transport and store components, but they do not provide protection against electrostatic discharge. Electrostatic discharge can damage sensitive components, so other precautions such as covering line replace unit (LRU) connector plugs and touching the ends of aircraft wiring to the KRU case prior to installation are necessary to prevent such damage.

Shielded cable consists of a metallic braid over the insulations to provide protection against electromagnetic interference (EMI) and radio frequency interference (RFI). The metallic braid acts as a shield, preventing external signals from interfering with the transmission of signals through the cable. It helps to maintain signal integrity and reduce noise, ensuring reliable and high-quality transmission.

Twisting an optic fiber during installation or maintenance can cause the fiber to become misaligned or damaged. This misalignment or damage can lead to a reduction in the transmission of optical power through the fiber. When the fiber is twisted, the light signals traveling through it can scatter or be blocked, resulting in a decrease in the overall optical power transmitted. Therefore, the correct answer is reduced optical power transmission.

The colored end of an insertion and extraction tool is used for insertion into a rear-release connector plug.

The use of certain ionizers could pose a safety hazard to personnel in an electrostatic discharge protected area. Ionizers are devices used to neutralize static charges in the air, but if not properly maintained or used, they can generate high levels of ozone or other harmful gases, which can be hazardous to the health of personnel.

The given options are all precautions related to radio-frequency connectors except for ensuring a good grip when using pliers. While stepping on the cable can damage it and soldering double shielded cables together can cause interference, ensuring a good grip when using pliers is not specifically related to radio-frequency connectors. It is a general precaution to prevent accidents and ensure proper handling of tools.

Optoelectronic transducers are devices that can convert optical energy into electrical energy. In the context of fiber transmission, these transducers play a crucial role in converting the light signals that travel through the fiber optic cables into electrical signals that can be processed and transmitted further. This conversion allows for the efficient transmission of data over long distances through fiber optic networks.

The structure of a military standard 1553B data word is 20 bits long, with 3 sync bits, 16 bits for data/command/status, and 1 parity bit.

Silicone tape is a suitable option for pressure and moisture sealing the back of a connector. Silicone tape is known for its excellent sealing properties and ability to create a tight and secure seal. It is flexible and can conform to the shape of the connector, ensuring a reliable seal. Additionally, silicone tape is resistant to moisture, heat, and chemicals, making it an ideal choice for protecting the connector from external elements. Therefore, silicone tape is a practical and effective solution for pressure and moisture sealing in this context.

The correct answer is 1 Mbps because the military standard 1553B data bus has a maximum serial transmission bit rate of 1 Mbps. This means that it can transmit data at a rate of 1 million bits per second.

Crimper positioners are used to put the pin contacts in the proper position. This means that they ensure that the pin contacts are correctly aligned and positioned before the crimping process takes place. By doing so, the crimper positioners help to ensure that the crimped connections are accurate and secure. They play a crucial role in achieving the desired outcome of properly positioned pin contacts, which is essential for the overall functionality and reliability of the electrical connections.

The correct answer is "insertion" because friction and bayonet are both types of connector couplings commonly used in various applications. Friction coupling involves the use of frictional forces to secure and connect two components, while bayonet coupling uses a locking mechanism with a series of pins and slots. On the other hand, insertion is not a type of connector coupling as it does not refer to a specific method or mechanism for joining two components together.

The correct answer is "tie all wire groups or bundles twelve inches or less apart." This is not considered to be a general precaution when lacing or tying wire groups or bundles. The other options, such as lacing or tying bundles tightly enough to prevent slipping and not using ties on any part of a wire group or bundle located inside a conduit, are considered to be general precautions when lacing or tying wire groups or bundles.

A splice is not a type of solderless connector. Solderless connectors are used to join two or more wires without the need for soldering. Terminal lugs and connector splices are both examples of solderless connectors. A terminal lug is a type of connector that is crimped onto the end of a wire, allowing it to be easily connected to a terminal or stud. A connector splice is a type of connector that is used to join two or more wires together.

The military standard 1553B data bus mode codes have various functions, such as resetting terminals and synchronizing the subsystem time. However, executing a bus controller broadcast command is not one of these functions. This command allows the bus controller to send a message to all terminals simultaneously, but it is not a specific function of the 1553B data bus mode codes.